If this is your first visit, be sure to check out the FAQ by clicking the link above.
You may have to register before you can post: click the register link above to proceed.
To start viewing messages, select the forum that you want to visit from the selection below.

I worked as a Radio Repairman at Williams AFB in the late 70's . Our GCA
was located beside the Control tower. It had 2 PAR Positions and three ASR
positions. It does not actually control airspace it only provides guidance
for landing. If a GCA like the one at Williams was to control airspace it
would not be a GCA it would be a RAPCON (Runway APproach CONtrol)

A brief note on ASR approaches. ASR does not determine Altitude
information. That is coming from the Aircrafts altimeter through the
aircraft transponder and the decoded by the radars IFF reciever which then
places that information on the Controllors ASR scope. Most of you already
know this but I though I'd add it for those who don't